Product Description
Bring your LB7/LLY back to OEM sealing and durability with the MAHLE 224-3452WR.040 Piston With Rings — Right Bank (.040 Over) for the 2001–2005 GM 6.6L Duramax. Engineered to OE standards with compensated ring grooves and expansion-controlled design, this bank-specific set restores proper oil control and reliability after an overbore.
Fitment
- 2001, 2002, 2003, 2004 Chevrolet/GMC 2500HD & 3500 with 6.6L Duramax LB7 (Right bank)
- 2004.5, 2005 Chevrolet/GMC 2500HD & 3500 with 6.6L Duramax LLY (Right bank)
Cross-Reference / Alternatives (Mahle only)
- Right bank — Standard bore: 224-3452WR (STD)
- Right bank — .020 over: 224-3452WR.020
- Left bank — Standard bore: 224-3451WR (STD)
- Left bank — .020 over: 224-3451WR.020
- Left bank — .040 over: 224-3451WR.040
What’s Included
- Set of four right-bank pistons (.040 over) with pre-installed rings
- Pins & clips
Notes
- Bank-specific: Right bank (cyl. 2/4/6/8). Use matching left-bank part numbers for the opposite side.
- Standard/OEM compression configuration.
FAQ
Is this the correct part for the right side?
Yes. 224-3452WR.xxx is the Mahle family for the right bank (Bank 2). Use 224-3451WR.xxx for the left bank.
Do rings come installed?
Yes—Mahle supplies a matched ring pack pre-installed on each piston.
How many pistons are in this set?
Four (covers the entire right bank).
What oversize is this?
.040" overbore. Match the left bank to the same oversize during rebuild.
Specifications for Mahle 224-3452WR.040
| Attribute | Value |
|---|---|
| Brand | Mahle |
| Part Number | 224-3452WR.040 (Right bank, .040 over) |
| UPC | Not specified by manufacturer |
| GTIN | Not specified by manufacturer |
| Engine Compatibility | 2001–2005 GM 6.6L Duramax LB7/LLY |
| Orientation | Right bank (cylinders 2, 4, 6, 8) |
| Compression | Standard/OEM |
| Included | (4) pistons w/ pre-installed rings, pins & clips |
| Shipping | Free Shipping |
| Prop 65 | Not specified by manufacturer. See www.P65Warnings.ca.gov. |
